Science NewsAlan Boyle is science editor for NBC News Digital. From 3-D printed pizzas to the effects of climate change on tornados, he brings us the latest news in the world of science.

Northwest Folklife FestivalThe 42nd annual Northwest Folklife Festival kicks off today. What are the can't-miss performances, exhibits and events? We'll get a preview from Folklife's head of programming Debbie Fant. We'll explore the history of organized labor in Washington state with labor archivist Conor Casey. And we'll hear the tunes of Celtic fiddle music duo Brandon Vance and Mark Minkler.